Book Description KEY BENEFIT: Network Defense and Countermeasures fills a void left by other books with complete coverage of a wide range of defense strategies, forms of attacks, and policies related to computer security KEY TOPICS: This comprehensive volume covers practical applications of firewalls, intrusion detection systems, encryption озфжц fundamentals, operating system hardening, defending against virus attacks, Trojan horses and spyware, security policies and security standards For network administrators, network security professionals and security audit professionals.  Составитель:2005 г 448 стр ISBN 0131711261.